Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for GM

Help Request

Answers

1998 Buick Regal 25th Anniversary Edition 3.8L Gauge cluster, stallVIN: 2G4WF5210WI am currently studying wiring diagrams, and I think that
an experienced GM tech may already be familiar with this
problem, so I am asking to hopefully save time. The issue
is that sometimes the engine will just totally shut down
the instant the turn signal is...

2005 Buick Terraza CXL 3.5L LiftersVIN: 5GADX33185Customer showed up after about a 60 mile round trip with
what sure sounded like more than one bad lifter. Checked
oil pressure with a mechanical gauge and even though
pressure was within limits, we installed new lifters and
new oil pump and pickup. Started eng...

1959 Cadillac Series 60 Fleetwood 6.4L flexplateHello Gentlemen, I am rebuilding the engine on this 1959
Cadillac, it had a bad vibration from 1500 rpm up, the
original flexplate is bent and dented due to a catastrophic
starter bendix failure in the distant past, my problem is
identifying the correct flexpl...

1991 Chevrolet C1500 Cheyenne 5.7L No StartVIN: 1GCDC14K4MI am the third shop to have this vehicle, and it's been
tricky.
I have no spark at all. There is throttle body injection. I
disconnected the bypass to the computer, and there's still
no spark. I checked the waveform on the purple/white wire,
and got the 5v sq...

1996 Chevrolet C1500 5.0L HesitationVIN: 1GBEC14M1T1996 chevy 305 came in poor idle and dies on heavy
acceleration, distributor cant be coralated with crank if
we get the offset degrees closer than 9 truck kicks back on
starter and will not start. Other wise no codes pulled
crank sensor timing chain not loose....

1999 Chevrolet Blazer 4.3L ignition?VIN: 1GNCS13W4XI recently replaced a blower motor on this vehicle. When I
did, I had to remove the MCM and in the process a couple of
wires broke inside the connector. Before I found the
problem, I replaced the MCM & the crank sensor. After I
repaired the wires the truck sta...

2002 Chevrolet Cavalier LS Sport 2.2L No StartVIN: 1G1JH52F92This vehicle was an auction vehicle brought to me with alot
of new parts and an intermittent stall/hard start. THIS
POST IS JUST FOR REFERENCE VEHICLE IS FIXED. After days of
no problem found the vehicle finally no started. The
giveaway to this vehicles issue ...

2002 Chevrolet Avalanche 1500 5.3L battery VIN: 3GNEK13TX2Just got the vehicle back from dealer after reprogram due
to replacing ignition lock cylinder and lock module
(housing). The battery light and mileage light along with
PRNDL light stay on after key off the vehicle. I
disconnected the alternator connector; noth...

2003 Chevrolet Tahoe LT 5.3L PpsVIN: 1GNEK13Z23I have a sir code B0092. I have checked the under seat
harness per the TSB. My information directs me to pull the
PPS codes by flashing them on the rear view mirror. My
problem is that the ON/OFF indicator will not light up in
the mirror. The Tech 2 says "see ...

2008 Chevrolet Impala LS 3.9L cooling systemVIN: 2G1WS55318Need advise from any GM service OR FLEET specialist,, we
have these Impala POLICE vehicles, over heat sitting with
AC on. ( no high speed fan opperation ) P/N [...] any
one familure with these kits that add on relays & cut
exsisting wires in the power distr...

2003 Saturn Vue 3.0L fuel gaud]geVIN: 5GZCZ63B53this vehicle came into our shop with customer complaining
of fuel gauge inaccuracy. we diagnosed faulty sending
units. (unplugged reads zero plugged reads full. there are
two units in tank and we replaced both. had found many
complaints of failures due to gas ...

2006 Saturn Vue 3.5L startingVIN: 5GZCZ53486Last week a customer dropped off a 2006 Saturn Vue. The
customer complained of the vehicle being hard to start and
brought to us a starter to replace.
Well once the vehicle was looked at it was found the
starter is not the issue at all. The vehicle cranks fin...

1998 Chevrolet Express 3500 5.7L compressorVIN: 1GCHG35R3WIm closing this one for now, as the van is the owners work vehicle and he had to take it before I could investigate further. Im hoping to get it back at some point to finish the diagnosis. Most of the replies centered on the clutch air gap and the low and high...

2005 Chevrolet Silverado 2500 HD 6.0L Timing chainVIN: 1GCHK29U75Thanks to one and all for reading my post, and thanks again to the 13 that replied - I can state that this engine is indeed a valve bender if the cam stops turning. The final tally was one bent intake and three bent exhaust valves. All they lifters were remove...

1999 GMC Sierra 2500 SL 6.0L Poor Idle Quality, Misfire, MIL Lamp onVIN: 1GTGK29U8XThanks for the help and responses. I have never seen so many strange symtoms from a Engine module before. Replacing the PCM and reprogaming to vehicle cured all problems other than being very high mileage vehicle. No codes set voltages normal 13.5 running on d... Trouble codes: P0563 (PCM overvoltage).

2007 Pontiac G6 GT 3.9L any forward gearVIN: 1G2ZH35147Trans went out on this one. We opted for a GM trans and all is well. Internal electronics went out and it showed on the second test drive manual mode went out and it acted like 1st and 2nd engaged at the same time. Pop goes the weasel. Thanks guys